Growing a lemon trees from seed is surprisingly easy. Generally, lemon trees flourish outdoors year-round in hot areas, but they can also grow indoors as edible houseplants. They can be easily grown from seed and are a nice looking plant. It requires very little equipment and a few seeds from an organic lemon.
Slice the lemon in half and pick out the seeds. Rinse the seeds with warm water. Rub off the as much flesh as possible off the seeds to prevent rot. It is important that you plant the seeds right after you take them from the lemon fruit. They will not tolerate drying.
Plant the seeds approximately one-half inch deep in the potting soil, moisten the soil slightly, cover the top of the pot with plastic wrap to keep the soil and seed moist. Check the moisture in the soil daily.
Put the plant in the sunlight. It will take time for the plant to outgrow the cup. You should see a sprout in a month to two months.
Move to a bigger pot as the lemon tree grows.